Azo-dye is a quality second-order nonlinear light-induced chromophore molecular.Silicohydride compound has excellent photoconduction, transparence and non-linearity.
The composites with interpenetrating networks have good structure homogeneous and performance; also their mechanics, calorifics and tribology arc excellent.
Glycoluril prepared under optimized process conditions has the following good properties of low content of free formaldehyde,durable and stable and crease-proofing.